1. Build a Win8 x64 system + vs2012 (VS Express for win8) in the environment)
Address: http://www.microsoft.com/china/livetocode/hackathon/learn8.html
2.
On the start page tab, select new project to create HelloWorld. You can also choose file menu> New> project to create HelloWorld.
For example, select Visual C # Windows Metro style as the template, select Blank App (XAML) on the Right, enter the project name, path, and solution name below, and click OK, A simple Metro App is created.
For example, if you have created a HelloWorld project, developers familiar with VS may be familiar with this screen. On the left side, you can edit the code and organize the three project file directories on the right. Of course, these interfaces can also be configured.
3. Add the TextBlock control and enter Helloworld;
4. Run --- local simulator. The effect is as follows (start win8 and run your program ):
Success! Complete HelloWOrld!
Learn more refer to boat breaker http://www.devdiv.com/_DevDiv%E5%8E%9F%E5%88%9B_Windows_8_Metro_App%E5%BC%80%E5%8F%91%E4%B9%8BHelloWorld-thread-130651-1-1.html